Usherwood, B. (1982). The visible library: Practical public relations for public librarians (Reprinted.). The Library Association.
Chicago-Zitierstil (17. Ausg.)Usherwood, Bob. The Visible Library: Practical Public Relations for Public Librarians. Reprinted. London: The Library Association, 1982.
MLA-Zitierstil (9. Ausg.)Usherwood, Bob. The Visible Library: Practical Public Relations for Public Librarians. Reprinted. The Library Association, 1982.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.